Home / 1,491,016,213.43-2,057,608,589.41-821,946,559.85

Finding the Fourth Proportional to 1,491,016,213.43, 2,057,608,589.41 and 821,946,559.85

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Solution

The fourth proportional to 1,491,016,213.43, 2,057,608,589.41 and 821,946,559.85 is: 1,134,289,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,016,213.43 : 2,057,608,589.41 = 821,946,559.85 : x
  2. Step 2: Convert to fraction form
    1,491,016,213.43/2,057,608,589.41 = 821,946,559.85/x
  3. Step 3: Cross multiply
    1,491,016,213.43x = 2,057,608,589.41 × 821,946,559.85
  4. Step 4: Simplify right side
    1,491,016,213.43x = 1,691,244,301,583,360,768
  5. Step 5: Solve for x
    x = 1,691,244,301,583,360,768/1,491,016,213.43
  6. Step 6: Final answer
    x = 1,134,289,678.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.